[Retracted] Clinical Evaluation of Efficacy on Ultrasound Combined with Neuromuscular Electrical Stimulation in Treating Lumbar Disc Herniation

Table 2

Comparison of postoperative recovery of three groups of patients.

Variables	Time since start of treatment			Total recovery time (day)
	One month	Three months	Six months
US+NMES group ()	21	59	77
NMES group ()	10	41	60
US group ()	16	46	66
/	4.815	9.059	14.251
	0.090	0.011	0.001	0.013/0.015#

Data was expressed as or . , US+NMES group vs. NMES group; #, US+NMES group vs. US group. US: ultrasound; NMES: neuromuscular electrical stimulation; US+NMES: ultrasound combined with NMES.